A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6610-00-527-8892
NSN 6110-00-244-0427
NSN 6240-01-311-1121
NSN 6220-00-686-5328
NSN 5925-01-264-1814
NSN 4140-01-157-8181
NSN 5965-01-455-3738
NSN 5950-01-594-3131
NSN 5990-01-348-9829
NSN 5960-01-624-1170
NSN 6645-00-276-7544
NSN 5945-01-554-0705